Game playing surface



FIG. 1 is a top plan view of a game playing surface embodying my new design;

FIG. 2 is an end elevational view thereof;

FIG. 3 is a side elevational view thereof; and,

FIG. 4 is a rear view thereof, the side and ends not shown are mirror images of the sides shown. 

The ornamental design for a game playing surface, as shown and described. 